根据下面的汇编语言源程序，其运行结果是在屏幕上显示______。
DSEG SEGMENT
DAT DB 0FFH
NEQU 3
BUF DB 3 DUP(’’)
DB ’$’
DSEG ENDS
SSEG SEGMENT STACK
DB 256 DUP(0)
SSEG ENDS
CSEG SEGMENT
ASSUME DS:DSEG, SS:SSEG, CS:CSEG
START: MOVAX, DSEG
MOVDS,AX
MOVBX, OFFSET BUF
MOVSI,N
MOVAI.DAT
MOVAH,0
MOVCX,10
NEXT: XORDX, DX
DIV CX
ADDDL, 30H ; 形成ASCII码
DECSI
DRSI,SI
JNENEXT
JEADX,BUF
MOV AH,9
INT21H ; 显示字符串
MOV AH,4CH
INT21H
CSEG ENDS
ENDSTART
